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Paper Abstract and Keywords
Presentation 2015-08-24 14:40
A compensation method of non-linear distortion in LED visible light communications
Hiroaki Matsuno, Shigeru Tomisato, Satoshi Denno, Masaharu Hata (Okayama Univ.), Tatsuo Furuno, Yasuhiro Oda (NTT DOCOMO) SRW2015-20
Abstract (in Japanese) (See Japanese page) 
(in English) In visible light communications using light emitting diodes (LEDs), non-linear distortion caused by LED non-linearity degrades transmission quality. This paper proposes a compensation method for non-linear distortion of LED circuits in which orthogonal frequency division multiplexing (OFDM) transmission is employed. This method uses peak power reduction of OFDM signals and in-band filtering (IBF) to reduce non-linear distortion noise. Error vector magnitude (EVM) with the method is evaluated by computer simulations. The results show that the method can reduce non-linear distortion noise power by 7.1dB and improve EVM by 4.6%.
Keyword (in Japanese) (See Japanese page) 
(in English) Visible Light Communication / LED / Clipping / Filtering / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 189, SRW2015-20, pp. 55-58, Aug. 2015.
Paper # SRW2015-20 
Date of Issue 2015-08-17 (SRW) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF SRW2015-20

Conference Information
Committee SRW  
Conference Date 2015-08-24 - 2015-08-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Shibaura Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) WLAN, etc. 
Paper Information
Registration To SRW 
Conference Code 2015-08-SRW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A compensation method of non-linear distortion in LED visible light communications 
Sub Title (in English)  
Keyword(1) Visible Light Communication  
Keyword(2) LED  
Keyword(3) Clipping  
Keyword(4) Filtering  
1st Author's Name Hiroaki Matsuno  
1st Author's Affiliation Okayama University (Okayama Univ.)
2nd Author's Name Shigeru Tomisato  
2nd Author's Affiliation Okayama University (Okayama Univ.)
3rd Author's Name Satoshi Denno  
3rd Author's Affiliation Okayama University (Okayama Univ.)
4th Author's Name Masaharu Hata  
4th Author's Affiliation Okayama University (Okayama Univ.)
5th Author's Name Tatsuo Furuno  
5th Author's Affiliation NTT DOCOMO (NTT DOCOMO)
6th Author's Name Yasuhiro Oda  
6th Author's Affiliation NTT DOCOMO (NTT DOCOMO)
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Date Time 2015-08-24 14:40:00 
Presentation Time 25 
Registration for SRW 
Paper # IEICE-SRW2015-20 
Volume (vol) IEICE-115 
Number (no) no.189 
Page pp.55-58 
#Pages IEICE-4 
Date of Issue IEICE-SRW-2015-08-17 

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